图片下载过时方法替换

@@ -91,6 +91,8 @@ export { OperRowListView } from './src/main/ets/components/view/OperRowListView'
 
 
 export { LiveOperRowListView } from './src/main/ets/components/view/LiveOperRowListView';
 export { LiveOperRowListView } from './src/main/ets/components/view/LiveOperRowListView';
 
 
+export { SaveNetWorkPictures } from './src/main/ets/components/SaveNetWorkPictures';
+
 export { ImageDownloadComponent } from './src/main/ets/components/ImageDownloadComponent';
 export { ImageDownloadComponent } from './src/main/ets/components/ImageDownloadComponent';
 
 
 export { PageRepository } from './src/main/ets/repository/PageRepository';
 export { PageRepository } from './src/main/ets/repository/PageRepository';

+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import http from '@ohos.net.http';
+import ResponseCode from '@ohos.net.http';
+import { image } from '@kit.ImageKit';
+import { BusinessError } from '@ohos.base';
+import common from '@ohos.app.ability.common';
+import photoAccessHelper from '@ohos.file.photoAccessHelper';
+import fs from '@ohos.file.fs';
+import promptAction from '@ohos.promptAction';
+import picker from '@ohos.file.picker';
+import { taskpool } from '@kit.ArkTS';
+import { httpRequest } from '../utils/httpRequest';
+
+
+/**
+ * 实现步骤：
+ * 点击上部“下载”按钮进入”下载网络图片到手机相册”场景示例；点击下部“下载到指定路径”按钮进入”下载文件到指定用户目录”场景示例，
+ * 从而实现手机相册并进行网络图片的下载和保存。
+ * photoAccessHelper参考文档：
+ * https://developer.huawei.com/consumer/cn/doc/harmonyos-references/js-apis-photoaccesshelper
+ * saveButton参考文档
+ * https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/savebutton-0000001820999677
+ */
+@Concurrent
+async function getPicture(imageUrl: string): Promise<ArrayBuffer> {
+  let ret: ArrayBuffer = await new Promise((resolve, reject) => {
+    httpRequest.httpRequestInStream(imageUrl, (res: ArrayBuffer) => {
+      resolve(res); // 成功时解析Promise
+    }, () => {
+      // 下载失败时弹窗提示检查网络
+      promptAction.showToast({
+        message: $r('app.string.image_request_fail'),
+        duration: 2000
+      });
+      reject(new Error('Image download failed')); // 失败时拒绝Promise
+    });
+  });
+  return ret
+}
+
+@Component
+export struct SaveNetWorkPictures {
+  @State image: PixelMap | undefined = undefined;
+  @State photoAccessHelper: photoAccessHelper.PhotoAccessHelper | undefined = undefined; // 相册模块管理实例
+  @State imageBuffer: ArrayBuffer | undefined = undefined; // 图片ArrayBuffer
+  // @Prop @Watch('onChangeUrl') url: string = ''
+  @State url: string = ''
+
+  /**
+   * 通过http的request方法从网络下载图片资源
+   */
+  async getPicture() {
+    http.createHttp()// 显示网络图片的地址
+      // .request('https://gitee.com/harmonyos-cases/cases/raw/master/CommonAppDevelopment/feature/variablewatch/src/main/resources/base/media/variablewatch_grape.png',
+      // .request('https://cdnjdphoto.aikan.pdnews.cn/zhbj-20240830/image/content/4d61839662044ac796ec7331a90da5d8.jpg',
+      .request(this.url,
+        (error: BusinessError, data: http.HttpResponse) => {
+          if (error) {
+            // 下载失败时弹窗提示检查网络，不执行后续逻辑
+            promptAction.showToast({
+              message: '下载失败',
+              duration: 2000
+            })
+            return;
+          }
+          this.transcodePixelMap(data);
+          // 判断网络获取到的资源是否为ArrayBuffer类型
+          if (data.result instanceof ArrayBuffer) {
+            this.imageBuffer = data.result as ArrayBuffer;
+          }
+        }
+      )
+  }
+
+  /**
+   * 使用createPixelMap将ArrayBuffer类型的图片装换为PixelMap类型
+   * @param data：网络获取到的资源
+   */
+  transcodePixelMap(data: http.HttpResponse) {
+    if (ResponseCode.ResponseCode.OK === data.responseCode) {
+      const imageData: ArrayBuffer = data.result as ArrayBuffer;
+      // 通过ArrayBuffer创建图片源实例。
+      const imageSource: image.ImageSource = image.createImageSource(imageData);
+      const options: image.InitializationOptions = {
+        'alphaType': 0, // 透明度
+        'editable': false, // 是否可编辑
+        'pixelFormat': 3, // 像素格式
+        'scaleMode': 1, // 缩略值
+        'size': { height: 50, width: 50 }
+      }; // 创建图片大小
+
+      // 通过属性创建PixelMap
+      imageSource.createPixelMap(options).then((pixelMap: PixelMap) => {
+        this.image = pixelMap;
+      });
+    }
+  }
+
+  /**
+   * 保存ArrayBuffer到图库
+   * @param buffer：图片ArrayBuffer
+   * @returns
+   */
+  async saveImage(buffer: ArrayBuffer | string): Promise<void> {
+    const context = getContext(this) as common.UIAbilityContext; // 获取getPhotoAccessHelper需要的context
+    const helper = photoAccessHelper.getPhotoAccessHelper(context); // 获取相册管理模块的实例
+    const uri = await helper.createAsset(photoAccessHelper.PhotoType.IMAGE, 'jpg'); // 指定待创建的文件类型、后缀和创建选项，创建图片或视频资源
+    const file = await fs.open(uri, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+    await fs.write(file.fd, buffer);
+    await fs.close(file.fd);
+  }
+
+  /**
+   * 保存ArrayBuffer到用户选择的路径
+   * @param buffer：图片ArrayBuffer
+   * @returns
+   */
+  async pickerSave(buffer: ArrayBuffer | string): Promise<void> {
+    const photoSaveOptions = new picker.PhotoSaveOptions(); // 创建文件管理器保存选项实例
+    photoSaveOptions.newFileNames = ['PhotoViewPicker ' + new Date().getTime() + '.jpg']; // 保存文件名（可选）
+    const photoViewPicker = new picker.PhotoViewPicker;
+    photoViewPicker.save(photoSaveOptions)
+      .then(async (photoSvaeResult) => {
+        const uri = photoSvaeResult[0];
+        const file = await fs.open(uri, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+        await fs.write(file.fd, buffer);
+        await fs.close(file.fd);
+        promptAction.showToast({
+          message: '保存成功',
+          duration: 2000
+        })
+      });
+  }
+
+  async aboutToAppear(): Promise<void> {
+    // this.getPicture();
+    this.onChangeUrl()
+  }
+
+  build() {
+    Stack({ alignContent: Alignment.Center }) {
+      // Column() {
+      //   Text('下载')
+      //     .fontWeight(FontWeight.Medium)
+      // }
+
+      Image(this.image)
+        .objectFit(ImageFit.Contain)
+        .width('50%')
+        .height(28)
+
+      SaveButton({ icon: SaveIconStyle.FULL_FILLED, buttonType: ButtonType.Capsule })
+        .iconSize(24)
+        .backgroundColor(Color.Transparent)
+        .iconColor(Color.White)// .markAnchor({ x: '100%' })
+        .position({ x: '25%' })
+        .onClick(async () => {
+          if (this.imageBuffer !== undefined) {
+            await this.saveImage(this.imageBuffer);
+            promptAction.showToast({
+              message: '成功',
+              duration: 2000
+            })
+          }
+        })
+
+    }
+
+    // .alignSelf(ItemAlign.Center)
+    // .align(Alignment.Center)
+    // .backgroundColor(Color.Red)
+  }
+
+  async onChangeUrl(): Promise<void> {
+    console.info(`cj2024 图片下载 ${this.url}`)
+    // const context = getContext(this) as common.UIAbilityContext;
+    // const atManager = abilityAccessCtrl.createAtManager();
+    // await atManager.requestPermissionsFromUser(context, PERMISSIONS);
+    // 通过任务池（taskpool）从网络下载图片资源
+    taskpool.execute(getPicture, this.url).then((res) => {
+      const imgBuffer = res as ArrayBuffer
+      this.imageBuffer = imgBuffer;
+    })
+  }
+}

 import { PhotoListBean } from 'wdBean/Index';
 import { PhotoListBean } from 'wdBean/Index';
 import { display, router } from '@kit.ArkUI';
 import { display, router } from '@kit.ArkUI';
-import { ImageDownloadComponent } from '../components/ImageDownloadComponent';
 import { MultiPictureDetailItemComponent } from '../components/MultiPictureDetailItemComponent';
 import { MultiPictureDetailItemComponent } from '../components/MultiPictureDetailItemComponent';
 
 
 import { Action } from 'wdBean';
 import { Action } from 'wdBean';
 import { WindowModel } from 'wdKit/Index';
 import { WindowModel } from 'wdKit/Index';
+import { SaveNetWorkPictures } from '../components/SaveNetWorkPictures';
 
 
 const TAG = 'MultiPictureListPage';
 const TAG = 'MultiPictureListPage';
 
 
@@ -31,7 +31,6 @@ export struct MultiPictureListPage {
     PageTransitionExit({ duration: !this.noAnimation ? 0 : 300 })
     PageTransitionExit({ duration: !this.noAnimation ? 0 : 300 })
   }
   }
 
 
-
   aboutToAppear(): void {
   aboutToAppear(): void {
     //获取宽高尺寸
     //获取宽高尺寸
     this.screenWidth = this.displayTool.width
     this.screenWidth = this.displayTool.width
@@ -47,17 +46,17 @@ export struct MultiPictureListPage {
 
 
   onPageShow(): void {
   onPageShow(): void {
     console.log(TAG, 'onPageShow')
     console.log(TAG, 'onPageShow')
-    WindowModel.shared.setWindowSystemBarProperties({ statusBarContentColor: '#ffffff'})
+    WindowModel.shared.setWindowSystemBarProperties({ statusBarContentColor: '#ffffff' })
   }
   }
 
 
   onPageHide(): void {
   onPageHide(): void {
     console.log(TAG, 'onPageHide')
     console.log(TAG, 'onPageHide')
-    WindowModel.shared.setWindowSystemBarProperties({ statusBarContentColor: '#000000'})
+    WindowModel.shared.setWindowSystemBarProperties({ statusBarContentColor: '#000000' })
   }
   }
 
 
   build() {
   build() {
     RelativeContainer() {
     RelativeContainer() {
-      Row(){
+      Row() {
         Image($r('app.media.icon_arrow_left_white'))
         Image($r('app.media.icon_arrow_left_white'))
           .width(24)
           .width(24)
           .height(24)
           .height(24)
@@ -121,7 +120,9 @@ export struct MultiPictureListPage {
           }
           }
           .alignSelf(ItemAlign.Center)
           .alignSelf(ItemAlign.Center)
           .fontColor(Color.White)
           .fontColor(Color.White)
-          ImageDownloadComponent({ url: this.currentUrl })
+
+          // ImageDownloadComponent({ url: this.currentUrl })
+          SaveNetWorkPictures({ url: this.currentUrl })
         }
         }
         .margin({
         .margin({
           top: 14,
           top: 14,
@@ -129,6 +130,7 @@ export struct MultiPictureListPage {
           bottom: 14,
           bottom: 14,
           right: 0
           right: 0
         })
         })
+        // .backgroundColor(Color.Blue)
         .id('e_swiper_titles')
         .id('e_swiper_titles')
         .alignRules({
         .alignRules({
           bottom: { anchor: "__container__", align: VerticalAlign.Bottom },
           bottom: { anchor: "__container__", align: VerticalAlign.Bottom },

-import { NetworkUtil, Logger, SPHelper, StringUtils } from 'wdKit';
+import { Logger, NetworkUtil, SPHelper, StringUtils } from 'wdKit';
 import { ResponseDTO } from 'wdNetwork';
 import { ResponseDTO } from 'wdNetwork';
 import {
 import {
   ContentDetailDTO,
   ContentDetailDTO,
+  InteractDataDTO,
+  Params,
   PhotoListBean,
   PhotoListBean,
-  postInteractBrowsOperateParams,
   postBatchAttentionStatusParams,
   postBatchAttentionStatusParams,
   postInteractAccentionOperateParams,
   postInteractAccentionOperateParams,
-  Params,
-  InteractDataDTO
+  postInteractBrowsOperateParams
 } from 'wdBean';
 } from 'wdBean';
 import { DateTimeUtils } from 'wdKit/Index';
 import { DateTimeUtils } from 'wdKit/Index';
 import { WDRouterPage, WDRouterRule } from 'wdRouter/Index';
 import { WDRouterPage, WDRouterRule } from 'wdRouter/Index';
 import { SpConstants } from 'wdConstant/Index';
 import { SpConstants } from 'wdConstant/Index';
 import { common } from '@kit.AbilityKit';
 import { common } from '@kit.AbilityKit';
 import { CommentDialogView } from 'wdDetailPlayShortVideo/Index';
 import { CommentDialogView } from 'wdDetailPlayShortVideo/Index';
-import { EmptyComponent,
-  ImageDownloadComponent,
+import {
+  EmptyComponent,
   MultiPictureDetailItemComponent,
   MultiPictureDetailItemComponent,
   MultiPictureDetailViewModel,
   MultiPictureDetailViewModel,
   OperRowListView,
   OperRowListView,
   PageRepository,
   PageRepository,
   publishCommentModel,
   publishCommentModel,
-  viewBlogItemInsightIntentShare} from 'wdComponent/Index';
-import { ParamType, TrackConstants, TrackingButton, TrackingContent } from 'wdTracking/Index';
+  SaveNetWorkPictures,
+  viewBlogItemInsightIntentShare
+} from 'wdComponent/Index';
+import { ParamType, TrackConstants, TrackingContent } from 'wdTracking/Index';
 
 
 const TAG = 'MultiPictureDetailPageComponent';
 const TAG = 'MultiPictureDetailPageComponent';
+
 /**
 /**
  * 多图（图集详情页）UI
  * 多图（图集详情页）UI
  */
  */
@@ -96,7 +99,7 @@ export struct MultiPictureDetailPageComponent {
     this.contentTrackingDict()
     this.contentTrackingDict()
   }
   }
 
 
-  contentTrackingDict(){
+  contentTrackingDict() {
     this.pageParam = {
     this.pageParam = {
       'contentType': `${this.contentDetailData.newsType}`,
       'contentType': `${this.contentDetailData.newsType}`,
       'contentId': `${this.contentDetailData.newsId}`,
       'contentId': `${this.contentDetailData.newsId}`,
@@ -138,6 +141,7 @@ export struct MultiPictureDetailPageComponent {
         bottom: { anchor: "__container__", align: VerticalAlign.Bottom },
         bottom: { anchor: "__container__", align: VerticalAlign.Bottom },
         middle: { anchor: "__container__", align: HorizontalAlign.Center }
         middle: { anchor: "__container__", align: HorizontalAlign.Center }
       })
       })
+
       CommentDialogView({
       CommentDialogView({
         index: $index,
         index: $index,
         currentIndex: $currentIndex,
         currentIndex: $currentIndex,
@@ -156,7 +160,7 @@ export struct MultiPictureDetailPageComponent {
   @Builder
   @Builder
   rmh() {
   rmh() {
     if (!this.showDownload) {
     if (!this.showDownload) {
-      Row(){
+      Row() {
         Row() {
         Row() {
           Row({ space: 8 }) {
           Row({ space: 8 }) {
             if (this.getImgUrl()) {
             if (this.getImgUrl()) {
@@ -257,7 +261,7 @@ export struct MultiPictureDetailPageComponent {
                   Image($r('app.media.add'))
                   Image($r('app.media.add'))
                     .width(12)
                     .width(12)
                     .height(12)
                     .height(12)
-                    .margin({right: 3})
+                    .margin({ right: 3 })
 
 
                   Text('关注').fontSize(12).fontColor(0xffffff)
                   Text('关注').fontSize(12).fontColor(0xffffff)
                 }.alignItems(VerticalAlign.Center)
                 }.alignItems(VerticalAlign.Center)
@@ -268,7 +272,8 @@ export struct MultiPictureDetailPageComponent {
               .height(24)
               .height(24)
               .onClick(() => {
               .onClick(() => {
                 this.handleAccention()
                 this.handleAccention()
-              }).visibility(this.isShowButton ? Visibility.Visible : Visibility.None)
+              })
+              .visibility(this.isShowButton ? Visibility.Visible : Visibility.None)
             } else {
             } else {
               Button({ type: ButtonType.Normal, stateEffect: true }) {
               Button({ type: ButtonType.Normal, stateEffect: true }) {
                 Row() {
                 Row() {
@@ -281,7 +286,8 @@ export struct MultiPictureDetailPageComponent {
               .height(24)
               .height(24)
               .onClick(() => {
               .onClick(() => {
                 this.handleAccention()
                 this.handleAccention()
-              }).visibility(this.isShowButton ? Visibility.Visible : Visibility.None)
+              })
+              .visibility(this.isShowButton ? Visibility.Visible : Visibility.None)
             }
             }
 
 
           }
           }
@@ -429,6 +435,7 @@ export struct MultiPictureDetailPageComponent {
               ListItem() {
               ListItem() {
                 this.ListItemTitle()
                 this.ListItemTitle()
               }
               }
+
               ListItem() {
               ListItem() {
                 this.ListItemDescription()
                 this.ListItemDescription()
               }
               }
@@ -499,11 +506,18 @@ export struct MultiPictureDetailPageComponent {
       }
       }
 
 
       if (this.contentDetailData.photoList?.[this.swiperIndex].picPath) {
       if (this.contentDetailData.photoList?.[this.swiperIndex].picPath) {
-        ImageDownloadComponent({ url: this.contentDetailData.photoList?.[this.swiperIndex].picPath })
+        // ImageDownloadComponent({ url: this.contentDetailData.photoList?.[this.swiperIndex].picPath })
+        //   .parallelGesture(
+        //     TapGesture()
+        //       .onAction((event: GestureEvent) => {
+        //         TrackingContent.download(1,TrackConstants.PageName.Atlas_Detail,TrackConstants.PageName.Atlas_Detail,this.pageParam)
+        //       }))
+        SaveNetWorkPictures({ url: this.contentDetailData.photoList?.[this.swiperIndex].picPath })
           .parallelGesture(
           .parallelGesture(
             TapGesture()
             TapGesture()
               .onAction((event: GestureEvent) => {
               .onAction((event: GestureEvent) => {
-                TrackingContent.download(1,TrackConstants.PageName.Atlas_Detail,TrackConstants.PageName.Atlas_Detail,this.pageParam)
+                TrackingContent.download(1, TrackConstants.PageName.Atlas_Detail, TrackConstants.PageName.Atlas_Detail,
+                  this.pageParam)
               }))
               }))
       }
       }
     }
     }
@@ -521,7 +535,10 @@ export struct MultiPictureDetailPageComponent {
   @Builder
   @Builder
   noNet() {
   noNet() {
     EmptyComponent({
     EmptyComponent({
-      emptyType: 1, emptyButton: true, isBlack: true, retry: () => {
+      emptyType: 1,
+      emptyButton: true,
+      isBlack: true,
+      retry: () => {
         this.getDetail()
         this.getDetail()
       }
       }
     })
     })
@@ -659,10 +676,12 @@ export struct MultiPictureDetailPageComponent {
       // console.log(TAG, '关注号主==', JSON.stringify(res.data))
       // console.log(TAG, '关注号主==', JSON.stringify(res.data))
       if (this.followStatus == '1') {
       if (this.followStatus == '1') {
         this.followStatus = '0'
         this.followStatus = '0'
-        TrackingContent.follow(true,this.followUserId,this.followUserName,TrackConstants.PageName.Atlas_Detail,TrackConstants.PageName.Atlas_Detail,this.pageParam)
+        TrackingContent.follow(true, this.followUserId, this.followUserName, TrackConstants.PageName.Atlas_Detail,
+          TrackConstants.PageName.Atlas_Detail, this.pageParam)
       } else {
       } else {
         this.followStatus = '1'
         this.followStatus = '1'
-        TrackingContent.follow(false,this.followUserId,this.followUserName,TrackConstants.PageName.Atlas_Detail,TrackConstants.PageName.Atlas_Detail,this.pageParam)
+        TrackingContent.follow(false, this.followUserId, this.followUserName, TrackConstants.PageName.Atlas_Detail,
+          TrackConstants.PageName.Atlas_Detail, this.pageParam)
       }
       }
     })
     })
   }
   }